*{
    margin:0;
    padding:0;
    list-style: none;
    box-sizing: border-box;
}
.wrap{
    width:800px;
    margin: auto;
}

table{
    width:100%;
    text-align: center;
}
table tr td ,table tr th{
    border-bottom:1px solid #ccc;
    height:40px;
}

.mask{
    width:100%;
    height:100%;
    position: fixed;
    left:0;
    top:0;
    background-color:rgba(0,0,0,.5);
}

.content{
    left:50%;
    top:50%;
    position: fixed;
    transform: translate(-50%,-50%);
    background: #fff;
    padding:20px;
    width:640px;
}
.content ul li{
    width:300px;
    float: left;
    height:80px;
    line-height: 80px;
}

.content ul li input,.content ul li select
{
    float: right;
    width:200px;
    height:40px;
}

.content ul li span{
    float: right;
    height:40px;
    line-height: 40px;
}

.content h1 b{
    float: right;
}

.content h1{
    border-bottom:1px solid #ccc;
    margin-bottom: 20px;
    padding-bottom: 20px;
}


